./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:05:03,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:05:03,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:05:03,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:05:03,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:05:03,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:05:03,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:05:03,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:05:03,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:05:03,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:05:03,206 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:05:03,206 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:05:03,207 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:05:03,207 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:05:03,208 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:05:03,208 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:05:03,209 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:05:03,209 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:05:03,210 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:05:03,210 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:05:03,211 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:05:03,211 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:05:03,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:05:03,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:05:03,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:05:03,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:05:03,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:05:03,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:05:03,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:05:03,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:05:03,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:05:03,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:05:03,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:05:03,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:05:03,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:05:03,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:05:03,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:05:03,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:03,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:05:03,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:05:03,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:05:03,218 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:05:03,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:05:03,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:05:03,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:05:03,219 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:05:03,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:05:03,219 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd [2023-12-02 14:05:03,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:05:03,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:05:03,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:05:03,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:05:03,450 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:05:03,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:06,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:05:06,378 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:05:06,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:06,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/ae17e0c94/7afddfdad2694e259c249ba0df26301d/FLAG7f726e7ec [2023-12-02 14:05:06,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/ae17e0c94/7afddfdad2694e259c249ba0df26301d [2023-12-02 14:05:06,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:05:06,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:05:06,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:06,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:05:06,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:05:06,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6016b125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06, skipping insertion in model container [2023-12-02 14:05:06,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:05:06,560 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2023-12-02 14:05:06,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:06,612 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:05:06,624 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2023-12-02 14:05:06,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:06,667 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:05:06,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06 WrapperNode [2023-12-02 14:05:06,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:06,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:06,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:05:06,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:05:06,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,722 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-12-02 14:05:06,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:06,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:05:06,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:05:06,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:05:06,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:05:06,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:05:06,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:05:06,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:05:06,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (1/1) ... [2023-12-02 14:05:06,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:05:06,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:05:06,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:05:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:05:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:05:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:05:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:05:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:05:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:05:06,919 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:05:06,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:05:07,172 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:05:07,395 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:05:07,395 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:05:07,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:07 BoogieIcfgContainer [2023-12-02 14:05:07,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:05:07,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:05:07,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:05:07,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:05:07,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:05:06" (1/3) ... [2023-12-02 14:05:07,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271b9d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:07, skipping insertion in model container [2023-12-02 14:05:07,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:06" (2/3) ... [2023-12-02 14:05:07,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271b9d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:07, skipping insertion in model container [2023-12-02 14:05:07,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:07" (3/3) ... [2023-12-02 14:05:07,407 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:07,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:05:07,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:05:07,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:05:07,492 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b0f2c2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:05:07,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:05:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:05:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 14:05:07,508 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:07,509 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:05:07,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:07,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:07,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1686744010, now seen corresponding path program 1 times [2023-12-02 14:05:07,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:05:07,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152637364] [2023-12-02 14:05:07,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:07,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:05:07,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:05:07,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273576131] [2023-12-02 14:05:07,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:07,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:05:07,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:05:07,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:05:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:05:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:05:07,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:05:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:05:07,913 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:05:07,915 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:05:07,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:05:07,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:05:08,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:05:08,122 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:05:08,125 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:05:08,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:05:08 BoogieIcfgContainer [2023-12-02 14:05:08,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:05:08,168 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:05:08,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:05:08,169 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:05:08,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:07" (3/4) ... [2023-12-02 14:05:08,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:05:08,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:05:08,174 INFO L158 Benchmark]: Toolchain (without parser) took 1768.66ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 97.9MB in the beginning and 97.2MB in the end (delta: 704.9kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,174 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:05:08,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.41ms. Allocated memory is still 136.3MB. Free memory was 97.9MB in the beginning and 85.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,176 INFO L158 Benchmark]: Boogie Preprocessor took 34.34ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,177 INFO L158 Benchmark]: RCFGBuilder took 637.91ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.0MB in the beginning and 126.4MB in the end (delta: -44.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,178 INFO L158 Benchmark]: TraceAbstraction took 767.79ms. Allocated memory is still 163.6MB. Free memory was 125.5MB in the beginning and 97.2MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 14:05:08,178 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 163.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:05:08,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.41ms. Allocated memory is still 136.3MB. Free memory was 97.9MB in the beginning and 85.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.34ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.91ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.0MB in the beginning and 126.4MB in the end (delta: -44.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 767.79ms. Allocated memory is still 163.6MB. Free memory was 125.5MB in the beginning and 97.2MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 163.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=1, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=1, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 [L38] COND TRUE \read(var_1_11) [L39] COND FALSE !(\read(var_1_12)) [L46] var_1_10 = var_1_13 [L51] COND TRUE var_1_10 >= 50.4f [L52] var_1_1 = ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))) [L54] COND TRUE var_1_15 == (var_1_14 * var_1_15) [L55] COND TRUE var_1_10 >= (var_1_10 + var_1_10) [L56] var_1_5 = ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_1=1, var_1_5=0, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_1=1, var_1_5=0, var_1_8=-1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:05:08,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:05:10,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:05:10,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:05:10,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:05:10,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:05:10,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:05:10,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:05:10,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:05:10,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:05:10,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:05:10,256 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:05:10,256 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:05:10,257 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:05:10,257 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:05:10,258 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:05:10,258 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:05:10,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:05:10,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:05:10,260 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:05:10,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:05:10,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:05:10,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:05:10,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:05:10,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:05:10,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:05:10,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:05:10,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:05:10,265 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:05:10,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:05:10,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:05:10,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:05:10,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:05:10,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:05:10,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:05:10,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:10,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:05:10,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:05:10,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:05:10,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:05:10,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:05:10,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:05:10,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:05:10,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:05:10,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:05:10,270 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd [2023-12-02 14:05:10,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:05:10,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:05:10,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:05:10,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:05:10,610 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:05:10,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:13,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:05:13,729 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:05:13,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:13,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/021cff034/147a3d9da4d94eada7bbcebf5bac8238/FLAG824f80c42 [2023-12-02 14:05:13,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/data/021cff034/147a3d9da4d94eada7bbcebf5bac8238 [2023-12-02 14:05:13,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:05:13,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:05:13,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:13,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:05:13,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:05:13,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:13" (1/1) ... [2023-12-02 14:05:13,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fbc5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:13, skipping insertion in model container [2023-12-02 14:05:13,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:13" (1/1) ... [2023-12-02 14:05:13,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:05:13,915 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2023-12-02 14:05:13,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:13,968 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:05:13,979 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2023-12-02 14:05:13,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:14,016 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:05:14,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14 WrapperNode [2023-12-02 14:05:14,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:14,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:14,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:05:14,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:05:14,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,061 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-12-02 14:05:14,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:14,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:05:14,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:05:14,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:05:14,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:05:14,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:05:14,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:05:14,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:05:14,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (1/1) ... [2023-12-02 14:05:14,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:05:14,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:05:14,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:05:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:05:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:05:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:05:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:05:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:05:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:05:14,247 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:05:14,249 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:05:14,688 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:05:14,748 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:05:14,748 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:05:14,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:14 BoogieIcfgContainer [2023-12-02 14:05:14,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:05:14,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:05:14,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:05:14,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:05:14,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:05:13" (1/3) ... [2023-12-02 14:05:14,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7beb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:14, skipping insertion in model container [2023-12-02 14:05:14,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:14" (2/3) ... [2023-12-02 14:05:14,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7beb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:14, skipping insertion in model container [2023-12-02 14:05:14,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:14" (3/3) ... [2023-12-02 14:05:14,759 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-91.i [2023-12-02 14:05:14,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:05:14,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:05:14,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:05:14,857 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a318bc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:05:14,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:05:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:05:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 14:05:14,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:14,877 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:05:14,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:14,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:14,884 INFO L85 PathProgramCache]: Analyzing trace with hash -393669120, now seen corresponding path program 1 times [2023-12-02 14:05:14,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:05:14,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953818669] [2023-12-02 14:05:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:14,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:14,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:05:14,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:05:14,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:05:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:15,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:05:15,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:05:18,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:05:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 14:05:32,453 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:05:32,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953818669] [2023-12-02 14:05:32,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953818669] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 14:05:32,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:05:32,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-12-02 14:05:32,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210498848] [2023-12-02 14:05:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:05:32,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 14:05:32,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:05:32,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 14:05:32,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-12-02 14:05:32,486 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:05:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:05:39,718 INFO L93 Difference]: Finished difference Result 106 states and 181 transitions. [2023-12-02 14:05:39,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 14:05:39,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2023-12-02 14:05:39,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:05:39,731 INFO L225 Difference]: With dead ends: 106 [2023-12-02 14:05:39,731 INFO L226 Difference]: Without dead ends: 71 [2023-12-02 14:05:39,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-12-02 14:05:39,739 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 92 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:05:39,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 159 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 14:05:39,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-02 14:05:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2023-12-02 14:05:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 42 states have internal predecessors, (50), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 14:05:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2023-12-02 14:05:39,788 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 69 [2023-12-02 14:05:39,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:05:39,789 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2023-12-02 14:05:39,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:05:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-12-02 14:05:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 14:05:39,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:39,793 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:05:39,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:05:39,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:39,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:39,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:39,994 INFO L85 PathProgramCache]: Analyzing trace with hash -391822078, now seen corresponding path program 1 times [2023-12-02 14:05:39,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:05:39,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597625372] [2023-12-02 14:05:39,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:39,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:05:39,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:05:39,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:05:39,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:05:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:40,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:05:40,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:05:43,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:05:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 14:05:50,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:05:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597625372] [2023-12-02 14:05:50,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597625372] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:05:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [488292093] [2023-12-02 14:05:50,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:50,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:05:50,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:05:50,963 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:05:50,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:05:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:51,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:05:51,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:05:55,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:06:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 14:06:00,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [488292093] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:06:00,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121825977] [2023-12-02 14:06:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:06:00,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:06:00,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:06:00,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:06:00,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:06:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:06:00,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 14:06:00,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:06:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 93 proven. 21 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 14:06:02,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:06:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 14:06:07,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121825977] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:06:07,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 14:06:07,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 10, 10] total 26 [2023-12-02 14:06:07,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920408663] [2023-12-02 14:06:07,622 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 14:06:07,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-02 14:06:07,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:06:07,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-02 14:06:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2023-12-02 14:06:07,627 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 26 states have internal predecessors, (54), 5 states have call successors, (24), 4 states have call predecessors, (24), 7 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2023-12-02 14:06:21,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:06:21,143 INFO L93 Difference]: Finished difference Result 209 states and 279 transitions. [2023-12-02 14:06:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 14:06:21,146 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 26 states have internal predecessors, (54), 5 states have call successors, (24), 4 states have call predecessors, (24), 7 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 69 [2023-12-02 14:06:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:06:21,150 INFO L225 Difference]: With dead ends: 209 [2023-12-02 14:06:21,150 INFO L226 Difference]: Without dead ends: 144 [2023-12-02 14:06:21,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=556, Invalid=1514, Unknown=0, NotChecked=0, Total=2070 [2023-12-02 14:06:21,153 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 158 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:06:21,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 245 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-02 14:06:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-02 14:06:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 46. [2023-12-02 14:06:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:06:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2023-12-02 14:06:21,169 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 69 [2023-12-02 14:06:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:06:21,169 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2023-12-02 14:06:21,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 26 states have internal predecessors, (54), 5 states have call successors, (24), 4 states have call predecessors, (24), 7 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2023-12-02 14:06:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-12-02 14:06:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:06:21,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:06:21,171 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:06:21,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 14:06:21,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:06:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 14:06:21,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:06:21,773 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:06:21,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:06:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash 672060435, now seen corresponding path program 1 times [2023-12-02 14:06:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:06:21,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638334045] [2023-12-02 14:06:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:06:21,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:06:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:06:21,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:06:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 14:06:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:06:21,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 14:06:21,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:06:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:06:25,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:06:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 14:06:45,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:06:45,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638334045] [2023-12-02 14:06:45,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638334045] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 14:06:45,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:06:45,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-12-02 14:06:45,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529145795] [2023-12-02 14:06:45,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:06:45,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 14:06:45,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:06:45,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 14:06:45,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:06:45,049 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:07:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:07:21,532 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2023-12-02 14:07:21,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 14:07:21,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2023-12-02 14:07:21,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:07:21,540 INFO L225 Difference]: With dead ends: 90 [2023-12-02 14:07:21,540 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 14:07:21,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 32.7s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2023-12-02 14:07:21,542 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 92 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:07:21,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 163 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2023-12-02 14:07:21,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 14:07:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2023-12-02 14:07:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:07:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2023-12-02 14:07:21,556 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 70 [2023-12-02 14:07:21,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:07:21,557 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2023-12-02 14:07:21,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:07:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-12-02 14:07:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:07:21,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:07:21,559 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:07:21,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 14:07:21,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:07:21,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:07:21,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:07:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash 672000853, now seen corresponding path program 1 times [2023-12-02 14:07:21,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:07:21,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547460728] [2023-12-02 14:07:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:07:21,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:07:21,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:07:21,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:07:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 14:07:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:07:21,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 14:07:21,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:07:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:07:23,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:07:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 14:07:37,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:07:37,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547460728] [2023-12-02 14:07:37,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547460728] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 14:07:37,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:07:37,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-12-02 14:07:37,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018059213] [2023-12-02 14:07:37,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:07:37,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 14:07:37,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:07:37,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 14:07:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-12-02 14:07:37,656 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:08:10,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:08:10,325 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2023-12-02 14:08:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 14:08:10,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2023-12-02 14:08:10,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:08:10,334 INFO L225 Difference]: With dead ends: 90 [2023-12-02 14:08:10,334 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 14:08:10,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2023-12-02 14:08:10,335 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 105 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:08:10,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 119 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2023-12-02 14:08:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 14:08:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 46. [2023-12-02 14:08:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:08:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2023-12-02 14:08:10,347 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 70 [2023-12-02 14:08:10,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:08:10,348 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2023-12-02 14:08:10,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:08:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-12-02 14:08:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 14:08:10,349 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:08:10,349 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:08:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 14:08:10,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:08:10,550 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:08:10,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:08:10,550 INFO L85 PathProgramCache]: Analyzing trace with hash 729259155, now seen corresponding path program 1 times [2023-12-02 14:08:10,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:08:10,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558336147] [2023-12-02 14:08:10,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:10,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:08:10,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:08:10,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:08:10,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 14:08:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:08:10,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:08:10,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:08:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 14:08:22,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:08:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 14:08:36,085 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:08:36,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558336147] [2023-12-02 14:08:36,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558336147] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 14:08:36,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:08:36,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-12-02 14:08:36,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672267920] [2023-12-02 14:08:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:08:36,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 14:08:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:08:36,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 14:08:36,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:08:36,086 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:09:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:09:31,506 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2023-12-02 14:09:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 14:09:31,513 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2023-12-02 14:09:31,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:09:31,514 INFO L225 Difference]: With dead ends: 88 [2023-12-02 14:09:31,514 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:09:31,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2023-12-02 14:09:31,516 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 86 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:09:31,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 118 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 32.2s Time] [2023-12-02 14:09:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:09:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:09:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:09:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:09:31,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2023-12-02 14:09:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:09:31,517 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:09:31,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 14:09:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:09:31,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:09:31,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:09:31,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 14:09:31,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:09:31,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 14:10:05,459 WARN L293 SmtUtils]: Spent 23.67s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:10:27,374 WARN L293 SmtUtils]: Spent 21.91s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:10:40,090 WARN L293 SmtUtils]: Spent 12.65s on a formula simplification. DAG size of input: 167 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:11:01,392 WARN L293 SmtUtils]: Spent 21.30s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:11:26,308 WARN L293 SmtUtils]: Spent 24.92s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:11:47,830 WARN L293 SmtUtils]: Spent 21.52s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:12:08,743 WARN L293 SmtUtils]: Spent 20.91s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:12:43,015 WARN L293 SmtUtils]: Spent 34.27s on a formula simplification. DAG size of input: 207 DAG size of output: 47 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:13:05,840 WARN L293 SmtUtils]: Spent 22.82s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:13:31,473 WARN L293 SmtUtils]: Spent 25.58s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 14:13:31,476 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 14:13:31,476 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 14:13:31,476 INFO L899 garLoopResultBuilder]: For program point L81(lines 64 82) no Hoare annotation was computed. [2023-12-02 14:13:31,476 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 14:13:31,476 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-12-02 14:13:31,477 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2023-12-02 14:13:31,477 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,477 INFO L895 garLoopResultBuilder]: At program point L69-1(line 69) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 14:13:31,477 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2023-12-02 14:13:31,477 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-12-02 14:13:31,477 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-12-02 14:13:31,478 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,478 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 14:13:31,478 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,478 INFO L895 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,478 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 14:13:31,478 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 50) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 35 63) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L895 garLoopResultBuilder]: At program point L92-2(lines 92 98) the Hoare annotation is: (let ((.cse6 ((_ zero_extend 16) ~var_1_15~0))) (let ((.cse2 (fp.eq ~var_1_10~0 ~var_1_13~0)) (.cse0 (not (= .cse6 (bvmul .cse6 ~var_1_14~0)))) (.cse1 (and (= .cse6 ~var_1_14~0) (= .cse6 ((_ zero_extend 16) ~var_1_16~0)))) (.cse3 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (and (or .cse0 .cse1 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0)))) (or .cse2 (not (fp.geq ~var_1_10~0 .cse3))) (or (not (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0))) .cse2 .cse0) (let ((.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse4) (fp.geq ~var_1_13~0 .cse5)) (and (fp.geq ~var_1_13~0 (fp.neg .cse4)) (fp.leq ~var_1_13~0 (fp.neg .cse5))))) (or .cse1 (not (fp.geq ~var_1_13~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L92-3(lines 92 98) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 35 63) no Hoare annotation was computed. [2023-12-02 14:13:31,479 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse0) (fp.geq ~var_1_13~0 .cse1)) (and (fp.geq ~var_1_13~0 (fp.neg .cse0)) (fp.leq ~var_1_13~0 (fp.neg .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-12-02 14:13:31,479 INFO L895 garLoopResultBuilder]: At program point L80-1(line 80) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse0) (fp.geq ~var_1_13~0 .cse1)) (and (fp.geq ~var_1_13~0 (fp.neg .cse0)) (fp.leq ~var_1_13~0 (fp.neg .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-12-02 14:13:31,479 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-12-02 14:13:31,480 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,480 INFO L895 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: (let ((.cse15 ((_ zero_extend 16) ~var_1_15~0)) (.cse14 (fp.geq ~var_1_10~0 (fp.add currentRoundingMode ~var_1_10~0 ~var_1_10~0)))) (let ((.cse0 (not .cse14)) (.cse3 (and (= .cse15 ~var_1_14~0) (= .cse15 ((_ zero_extend 16) ~var_1_16~0)))) (.cse4 (= .cse15 (bvmul .cse15 ~var_1_14~0))) (.cse1 (fp.eq ~var_1_10~0 ~var_1_13~0))) (let ((.cse2 (let ((.cse11 ((_ to_fp 8 24) currentRoundingMode (/ 252.0 5.0)))) (let ((.cse6 (not (fp.geq ~var_1_10~0 .cse11)))) (let ((.cse5 (or .cse14 .cse1 .cse6)) (.cse7 (or .cse1 .cse6 .cse4)) (.cse8 (let ((.cse12 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse13 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_13~0 .cse12) (fp.geq ~var_1_13~0 .cse13)) (and (fp.geq ~var_1_13~0 (fp.neg .cse12)) (fp.leq ~var_1_13~0 (fp.neg .cse13)))))) (.cse9 (or .cse3 (not (fp.geq ~var_1_13~0 .cse11)))) (.cse10 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse10))))))) (or (and (or .cse0 .cse1) .cse2 (or .cse3 (not (fp.geq ~var_1_13~0 (fp.add currentRoundingMode ~var_1_13~0 ~var_1_13~0))))) (and (not .cse4) .cse2))))) [2023-12-02 14:13:31,480 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 47) no Hoare annotation was computed. [2023-12-02 14:13:31,480 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 63) no Hoare annotation was computed. [2023-12-02 14:13:31,480 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 14:13:31,480 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-02 14:13:31,480 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-02 14:13:31,480 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 14:13:31,483 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 14:13:31,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:13:31,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-12-02 14:13:31,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-12-02 14:13:31,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 14:13:31,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:13:31 BoogieIcfgContainer [2023-12-02 14:13:31,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:13:31,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:13:31,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:13:31,502 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:13:31,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:14" (3/4) ... [2023-12-02 14:13:31,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:13:31,508 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 14:13:31,513 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 14:13:31,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 14:13:31,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 14:13:31,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:13:31,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:13:31,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:13:31,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:13:31,602 INFO L158 Benchmark]: Toolchain (without parser) took 497845.80ms. Allocated memory was 115.3MB in the beginning and 775.9MB in the end (delta: 660.6MB). Free memory was 91.8MB in the beginning and 391.1MB in the end (delta: -299.3MB). Peak memory consumption was 363.1MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,602 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:13:31,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.99ms. Allocated memory is still 115.3MB. Free memory was 91.8MB in the beginning and 79.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.81ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,603 INFO L158 Benchmark]: Boogie Preprocessor took 36.59ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:13:31,604 INFO L158 Benchmark]: RCFGBuilder took 649.70ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 58.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,604 INFO L158 Benchmark]: TraceAbstraction took 496749.06ms. Allocated memory was 115.3MB in the beginning and 775.9MB in the end (delta: 660.6MB). Free memory was 57.5MB in the beginning and 397.4MB in the end (delta: -339.9MB). Peak memory consumption was 436.5MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,604 INFO L158 Benchmark]: Witness Printer took 98.89ms. Allocated memory is still 775.9MB. Free memory was 397.4MB in the beginning and 391.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:13:31,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.99ms. Allocated memory is still 115.3MB. Free memory was 91.8MB in the beginning and 79.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.81ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.59ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 649.70ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 58.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 496749.06ms. Allocated memory was 115.3MB in the beginning and 775.9MB in the end (delta: 660.6MB). Free memory was 57.5MB in the beginning and 397.4MB in the end (delta: -339.9MB). Peak memory consumption was 436.5MB. Max. memory is 16.1GB. * Witness Printer took 98.89ms. Allocated memory is still 775.9MB. Free memory was 397.4MB in the beginning and 391.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 496.7s, OverallIterations: 5, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 145.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 239.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 557 SdHoareTripleChecker+Valid, 71.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 533 mSDsluCounter, 804 SdHoareTripleChecker+Invalid, 69.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 546 mSDsCounter, 535 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1122 IncrementalHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 535 mSolverCounterUnsat, 258 mSDtfsCounter, 1122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1016 GetRequests, 889 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 113.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=1, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 189 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 70 PreInvPairs, 101 NumberOfFragments, 3235 HoareAnnotationTreeSize, 70 FomulaSimplifications, 183848 FormulaSimplificationTreeSizeReduction, 10.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 187990 FormulaSimplificationTreeSizeReductionInter, 229.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 108.6s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 958 ConstructedInterpolants, 5 QuantifiedInterpolants, 7094 SizeOfPredicates, 114 NumberOfNonLiveVariables, 853 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 3005/3080 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-02 14:13:31,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cfeeec-d225-4a09-a063-25dd21abeadc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE